s = input()
t = ""
for c in s:
    if 'a' <= c <= 'z': 
        t += chr( ord('a')+((ord(c)-ord('a')+3))%26)
    elif 'A' <= c <= 'Z': 
        t += chr( ord('A')+((ord(c)-ord('A')+3))%26)
    else:
        t += c
print(t)